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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <aknlists.h>
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#include <eikspmod.h>
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#include <eikclb.h>
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#include <eikfrlb.h>
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#include <eikslb.h>
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#include <AknUtils.h>
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#include <aknlayoutscalable_avkon.cdl.h>
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#include <aknlayoutscalable_apps.cdl.h>
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#include <layoutmetadata.cdl.h>
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#ifdef RD_UI_TRANSITION_EFFECTS_LIST
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#include <aknlistboxtfxinternal.h>
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#include <akntransitionutils.h>
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#include <aknlistloadertfx.h>
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#endif
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#include "mmlistboxmodel.h"
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#include "mmlistbox.h"
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#include "mmlistboxview.h"
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#include "mmlistboxitemdrawer.h"
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#include "mmmarqueeadapter.h"
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#include "mmwidgetcontainer.h"
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#include "mmwidgetsconstants.h"
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#include "mmdraweranimator.h"
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#include "mmtemplatelibrary.h"
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CMmListBox::CMmListBox() : AKNDOUBLELISTBOXNAME(R_LIST_PANE_LINES_AB_COLUMN)
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{
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// No implementation required
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CMmListBox::~CMmListBox()
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{
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delete iRedrawTimer;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CMmListBox* CMmListBox::NewLC( const CCoeControl* aParent, TInt aFlags,
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CMmTemplateLibrary* aTemplateLibrary )
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{
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CMmListBox* self = new (ELeave)CMmListBox();
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CleanupStack::PushL(self);
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self->ConstructL( aParent, aFlags, aTemplateLibrary );
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return self;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::SetListFlag( TInt aFlag )
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{
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iListBoxFlags = iListBoxFlags | aFlag;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::ClearListFlag( TInt aFlag )
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{
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iListBoxFlags = iListBoxFlags & !aFlag;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CMmListBox* CMmListBox::NewL( const CCoeControl* aParent, TInt aFlags,
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CMmTemplateLibrary* aTemplateLibrary )
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{
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CMmListBox* self = CMmListBox::NewLC( aParent, aFlags, aTemplateLibrary );
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CleanupStack::Pop( self );
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return self;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::ConstructL( const CCoeControl* aParent, TInt aFlags,
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CMmTemplateLibrary* aTemplateLibrary )
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{
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iDisableChildComponentDrawing = EFalse;
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iModel = iMmModel = CMmListBoxModel::NewL();
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CreateItemDrawerL( aTemplateLibrary );
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EnableExtendedDrawingL();
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iItemDrawer->SetDrawMark(EFalse);
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CEikListBox::ConstructL(aParent,aFlags);
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iMmDrawer->SetView( this );
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iRedrawTimer = CPeriodic::NewL( EPriorityRealTime );
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}
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// -----------------------------------------------------------------------------
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// Clearing ELeftDownInViewRect flag before invoking the base class
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// HandlePointerEventL method effectively prevents that method from doing most
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// of the things it would normally do in response to EButton1Down event.
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// This flag is explicitly cleared to achieve two things:
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// 1. Prevent kinetic scrolling (flick) in edit mode.
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// 2. Prevent highlight removal when popup menu is displayed.
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::HandlePointerEventInEditModeL(
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const TPointerEvent& aPointerEvent )
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{
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CMmWidgetContainer* parent = static_cast<CMmWidgetContainer*>( Parent() );
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if ( aPointerEvent.iType == TPointerEvent::EButton1Down )
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{
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iButton1DownPos = aPointerEvent.iPosition;
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}
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else if ( aPointerEvent.iType == TPointerEvent::EButton1Up )
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{
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TPoint dragDelta = iButton1DownPos - aPointerEvent.iPosition;
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if ( Abs( dragDelta.iY ) > KDragTreshold || parent->LongTapInProgress() )
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{
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iListBoxFlags &= ~ELeftDownInViewRect;
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}
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}
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TInt itemUnderPointerIndex = KErrNotFound;
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if ( aPointerEvent.iType == TPointerEvent::EButton1Up ||
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aPointerEvent.iType == TPointerEvent::EButton1Down )
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{
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TBool highlightWasVisible = parent->IsHighlightVisible();
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CEikFormattedCellListBoxTypedef::HandlePointerEventL( aPointerEvent );
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// Tricky: Do not allow the base class implementation of HandlePointerEventL
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// to remove the highlight on EButton1Up event when context menu
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// is displayed for an item
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if ( aPointerEvent.iType == TPointerEvent::EButton1Up &&
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highlightWasVisible && parent->LongTapInProgress()
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&& !parent->IsHighlightVisible() )
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{
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ItemDrawer()->ClearFlags( CListItemDrawer::ESingleClickDisabledHighlight );
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}
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}
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else if ( View()->XYPosToItemIndex(
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aPointerEvent.iPosition, itemUnderPointerIndex ) )
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{
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TInt currentItemIndex = CurrentItemIndex();
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if ( currentItemIndex != itemUnderPointerIndex )
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{
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View()->SetCurrentItemIndex( itemUnderPointerIndex );
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// remove hightlight from the previously highlighted item
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}
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}
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HandleScrollingInEditMode( aPointerEvent );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::HandleScrollingInEditMode( const TPointerEvent& aPointerEvent )
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{
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if ( aPointerEvent.iType == TPointerEvent::EDrag
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|| aPointerEvent.iType == TPointerEvent::EButtonRepeat )
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{
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TInt nextScrollDelay = ScrollIfNeeded( aPointerEvent );
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if ( nextScrollDelay )
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{
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TRect ignoreDragRect(
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TPoint(aPointerEvent.iParentPosition.iX - MmEffects::KDragIgnoreRectValue,
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aPointerEvent.iParentPosition.iY - MmEffects::KDragIgnoreRectValue),
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TPoint(aPointerEvent.iParentPosition.iX + MmEffects::KDragIgnoreRectValue,
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aPointerEvent.iParentPosition.iY + MmEffects::KDragIgnoreRectValue));
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Window().CancelPointerRepeatEventRequest();
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Window().RequestPointerRepeatEvent( nextScrollDelay, ignoreDragRect );
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}
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TBool CMmListBox::IsPointerInTopScrollingThreshold(
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const TPointerEvent& aPointerEvent ) const
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{
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TInt topScrollingTreshold = Rect().iTl.iY
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+ ( MmListBox::KFocusScrollingThreshold
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* TReal( View()->ItemSize().iHeight ) );
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return ( aPointerEvent.iPosition.iY < topScrollingTreshold );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TBool CMmListBox::IsPointerInBottomScrollingThreshold(
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const TPointerEvent& aPointerEvent ) const
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{
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TInt bottomScrollingTreshold = Rect().iBr.iY
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- ( MmListBox::KFocusScrollingThreshold
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* TReal( View()->ItemSize().iHeight ) );
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return ( aPointerEvent.iPosition.iY > bottomScrollingTreshold );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CMmListBox::ScrollIfNeeded( const TPointerEvent& aPointerEvent )
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{
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TInt nextScrollDelay = 0;
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TBool readyForScrolling =
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iMmDrawer->GetAnimator()->IsReadyForNewAnimation()
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&& iMmDrawer->GetFloatingItemCount() != 0;
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if ( IsPointerInTopScrollingThreshold( aPointerEvent ) )
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{
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// scroll up by one row
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TInt newCurrentItemIndex = CurrentItemIndex() - 1;
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if ( newCurrentItemIndex >= 0 )
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{
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nextScrollDelay = MmEffects::KEditModeScrollingDelayFactor *
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Max( 1, aPointerEvent.iPosition.iY - Rect().iTl.iY );
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if (readyForScrolling)
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{
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View()->VScrollTo( View()->CalcNewTopItemIndexSoItemIsVisible(
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newCurrentItemIndex ) );
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View()->SetCurrentItemIndex( newCurrentItemIndex );
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UpdateScrollBarThumbs();
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}
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}
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}
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else if ( IsPointerInBottomScrollingThreshold( aPointerEvent) )
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{
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// scroll down by one row
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TInt lastItemIndex = iModel->NumberOfItems() - 1;
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TInt newCurrentItemIndex = CurrentItemIndex() + 1;
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if ( newCurrentItemIndex <= lastItemIndex )
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{
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nextScrollDelay = MmEffects::KEditModeScrollingDelayFactor *
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Max( 1, Rect().iBr.iY - aPointerEvent.iPosition.iY );
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if (readyForScrolling)
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{
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View()->VScrollTo( View()->CalcNewTopItemIndexSoItemIsVisible(
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newCurrentItemIndex ) );
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View()->SetCurrentItemIndex( newCurrentItemIndex );
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UpdateScrollBarThumbs();
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}
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}
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}
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return nextScrollDelay;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::HandlePointerEventL(const TPointerEvent& aPointerEvent)
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{
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// if ( aPointerEvent.iType == TPointerEvent::EButton1Down &&
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// iMmDrawer->CachedDataUseIsEnabled() )
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// {
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// // Touching the screen stops flick but avkon does not send us
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// // MEikListBoxObserver::EEventFlickStopped event in such case.
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// // Thus this little hack:
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// iMmDrawer->EnableCachedDataUse( EFalse );
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// DrawView();
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// }
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CMmWidgetContainer* parent = static_cast<CMmWidgetContainer*>( Parent() );
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if ( parent->IsEditMode() )
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{
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HandlePointerEventInEditModeL( aPointerEvent );
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}
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else
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{
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CEikFormattedCellListBoxTypedef::HandlePointerEventL( aPointerEvent );
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::FixViewForMirroredLayout()
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{
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TInt scrollbarWidth =
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ScrollBarFrame()->VerticalScrollBar()->Rect().Width();
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TRect r( View()->ViewRect() );
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TInt currentShift = r.iTl.iX;
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TBool scrollbarVisible = ScrollBarFrame()->VerticalScrollBar()->IsVisible();
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TBool layoutMirrored = AknLayoutUtils::LayoutMirrored();
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if ( layoutMirrored && scrollbarVisible && currentShift != scrollbarWidth )
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{
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// shift view rect to the right
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r.Move( scrollbarWidth - currentShift, 0 );
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View()->SetViewRect( r );
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}
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else if ( ( !layoutMirrored || !scrollbarVisible ) && currentShift != 0 )
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{
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// restore view rect to its normal position
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r.Move( -currentShift, 0 );
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View()->SetViewRect( r );
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::RedrawScrollbarBackground() const
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{
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TRect viewRect( View()->ViewRect() );
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if ( viewRect.iTl.iX > 0 )
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{
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TRect scrollbarRect( TPoint( 0, 0 ),
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TSize( viewRect.iTl.iX, viewRect.Height() ) );
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CWindowGc* gc = iItemDrawer->Gc();
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CMmListBoxItemDrawer* itemDrawer =
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static_cast<CMmListBoxItemDrawer*>( iItemDrawer );
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MAknsSkinInstance *skin = AknsUtils::SkinInstance();
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CCoeControl* control = itemDrawer->FormattedCellData()->Control();
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MAknsControlContext *cc = AknsDrawUtils::ControlContext( control );
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if( gc )
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{
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if ( control )
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{
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AknsDrawUtils::Background( skin, cc, control, *gc, scrollbarRect );
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}
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else
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{
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gc->SetBrushColor( BackColor() );
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gc->Clear( scrollbarRect );
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}
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}
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::ProcessScrollEventL( CEikScrollBar* aScrollBar,
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TEikScrollEvent aEventType )
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{
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CEikFormattedCellListBoxTypedef::HandleScrollEventL(
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aScrollBar, aEventType );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBox::HandleRedrawTimerEventL()
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{
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if ( iSkippedScrollbarEventsCount )
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{
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ProcessScrollEventL( ScrollBarFrame()->VerticalScrollBar(),
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EEikScrollThumbDragVert );
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}
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iSkippedScrollbarEventsCount = 0;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CMmListBox::RedrawTimerCallback( TAny* aPtr )
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{
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CMmListBox* self = static_cast<CMmListBox*>( aPtr );
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TRAP_IGNORE( self->HandleRedrawTimerEventL() );
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// Do not bother returning a meaningful error code, CPeriodic will ignore it
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// anyway.
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return 0;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TKeyResponse CMmListBox::OfferKeyEventL(
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const TKeyEvent& aKeyEvent,TEventCode aType )
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{
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TInt itemIndex = CurrentItemIndex();
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TInt previousItemIndex = CurrentItemIndex();
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TKeyResponse ret = CEikFormattedCellListBoxTypedef::OfferKeyEventL(
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aKeyEvent, aType );
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TInt currentItemIndex = CurrentItemIndex();
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TInt itemY = View()->ItemPos( currentItemIndex ).iY
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+ View()->ItemSize( currentItemIndex ).iHeight;
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if ( currentItemIndex == BottomItemIndex()
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&& currentItemIndex != previousItemIndex
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433 |
&& itemY > View()->ViewRect().iBr.iY )
|
|
434 |
{
|
|
435 |
if( aType == EEventKey )
|
|
436 |
{
|
|
437 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
438 |
MAknListBoxTfxInternal* transApi = CAknListLoader::TfxApiInternal(
|
|
439 |
View()->ItemDrawer()->Gc() );
|
|
440 |
TBool effects = transApi && !transApi->EffectsDisabled();
|
|
441 |
if ( effects )
|
|
442 |
{
|
|
443 |
transApi->SetMoveType( MAknListBoxTfxInternal::EListScrollDown );
|
|
444 |
}
|
|
445 |
#endif
|
|
446 |
iView->VScrollTo(
|
|
447 |
iView->CalcNewTopItemIndexSoItemIsVisible( currentItemIndex ) );
|
|
448 |
|
|
449 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
450 |
if ( effects )
|
|
451 |
{
|
|
452 |
transApi->Draw( Rect() );
|
|
453 |
}
|
|
454 |
#endif
|
|
455 |
}
|
|
456 |
SetCurrentItemIndex( currentItemIndex );
|
|
457 |
}
|
|
458 |
|
|
459 |
RedrawIfNecessary( itemIndex, CurrentItemIndex());
|
|
460 |
return ret;
|
|
461 |
}
|
|
462 |
|
|
463 |
// -----------------------------------------------------------------------------
|
|
464 |
//
|
|
465 |
// -----------------------------------------------------------------------------
|
|
466 |
//
|
|
467 |
TBool CMmListBox::RedrawIfNecessary( TInt aPreviousCurrent, TInt aCurrent )
|
|
468 |
{
|
|
469 |
TBool redrawConsumed( EFalse );
|
|
470 |
if( aCurrent == KErrNotFound )
|
|
471 |
{
|
|
472 |
return redrawConsumed;
|
|
473 |
}
|
|
474 |
|
|
475 |
CMmListBoxView * view = static_cast<CMmListBoxView *>(iView);
|
|
476 |
TInt differenceIndex = Abs( aPreviousCurrent - aCurrent );
|
|
477 |
if ( aPreviousCurrent == KErrNotFound || differenceIndex == 0 )
|
|
478 |
{
|
|
479 |
//TODO: It should be checked if this is really necessary
|
|
480 |
view->RedrawBackground();
|
|
481 |
return redrawConsumed;
|
|
482 |
}
|
|
483 |
|
|
484 |
TInt sizePrevBefore = iMmDrawer->GetItemHeight(aPreviousCurrent, ETrue);
|
|
485 |
TInt sizeCurBefore = iMmDrawer->GetItemHeight(aCurrent, EFalse);
|
|
486 |
TInt sizePrevAfter = iMmDrawer->GetItemHeight(aPreviousCurrent, EFalse);
|
|
487 |
TInt sizeCurAfter = iMmDrawer->GetItemHeight(aCurrent, ETrue);
|
|
488 |
|
|
489 |
if ( ( sizePrevBefore == sizePrevAfter ) && (sizeCurBefore == sizeCurAfter) )
|
|
490 |
{
|
|
491 |
return redrawConsumed;
|
|
492 |
}
|
|
493 |
else
|
|
494 |
{
|
|
495 |
TInt sizeAllBefore = sizePrevBefore + sizePrevAfter;
|
|
496 |
TInt sizeAllAfter = sizeCurBefore + sizeCurAfter;
|
|
497 |
|
|
498 |
TInt lastPotentialItemIndex = Min( iModel->NumberOfItems(),
|
|
499 |
iView->TopItemIndex() + iView->NumberOfItemsThatFitInRect(
|
|
500 |
iView->ViewRect() ) );
|
|
501 |
TInt redrawIndex = lastPotentialItemIndex;
|
|
502 |
|
|
503 |
if ( differenceIndex == 1 )
|
|
504 |
{
|
|
505 |
if( sizeAllBefore != sizeAllAfter )
|
|
506 |
{
|
|
507 |
redrawIndex = Min( aPreviousCurrent, aCurrent );
|
|
508 |
}
|
|
509 |
else
|
|
510 |
{
|
|
511 |
return redrawConsumed;
|
|
512 |
}
|
|
513 |
}
|
|
514 |
else if ( differenceIndex > 1 && sizeAllBefore == sizeAllAfter )
|
|
515 |
{
|
|
516 |
redrawIndex = Min( aPreviousCurrent, aCurrent );
|
|
517 |
lastPotentialItemIndex = Max( aPreviousCurrent, aCurrent );
|
|
518 |
}
|
|
519 |
else if ( differenceIndex > 1 )
|
|
520 |
{
|
|
521 |
redrawIndex = Min( aPreviousCurrent, aCurrent );
|
|
522 |
}
|
|
523 |
|
|
524 |
if (redrawIndex < iView->TopItemIndex())
|
|
525 |
redrawIndex = iView->TopItemIndex();
|
|
526 |
|
|
527 |
if (lastPotentialItemIndex > iView->BottomItemIndex())
|
|
528 |
lastPotentialItemIndex = iView->BottomItemIndex();
|
|
529 |
|
|
530 |
if ( aPreviousCurrent < TopItemIndex() )
|
|
531 |
{
|
|
532 |
lastPotentialItemIndex = BottomItemIndex() ;
|
|
533 |
}
|
|
534 |
else if ( BottomItemIndex() < aPreviousCurrent )
|
|
535 |
{
|
|
536 |
lastPotentialItemIndex = BottomItemIndex() + 1;
|
|
537 |
}
|
|
538 |
|
|
539 |
while ( redrawIndex < lastPotentialItemIndex +1 )
|
|
540 |
{
|
|
541 |
view->DrawSingleItem( redrawIndex++ );
|
|
542 |
redrawConsumed = ETrue;
|
|
543 |
}
|
|
544 |
|
|
545 |
view->RedrawBackground();
|
|
546 |
}
|
|
547 |
return redrawConsumed;
|
|
548 |
}
|
|
549 |
|
|
550 |
// -----------------------------------------------------------------------------
|
|
551 |
//
|
|
552 |
// -----------------------------------------------------------------------------
|
|
553 |
//
|
|
554 |
void CMmListBox::CreateItemDrawerL( CMmTemplateLibrary* aTemplateLibrary )
|
|
555 |
{
|
|
556 |
CFormattedCellListBoxData* cellData=CFormattedCellListBoxData::NewL();
|
|
557 |
CleanupStack::PushL( cellData );
|
|
558 |
iItemDrawer = iMmDrawer = CMmListBoxItemDrawer::NewL( MmModel(),
|
|
559 |
iEikonEnv->NormalFont(), cellData, EListbox, aTemplateLibrary );
|
|
560 |
CleanupStack::Pop( cellData );
|
|
561 |
}
|
|
562 |
|
|
563 |
// -----------------------------------------------------------------------------
|
|
564 |
//
|
|
565 |
// -----------------------------------------------------------------------------
|
|
566 |
//
|
|
567 |
CMmListBoxModel* CMmListBox::MmModel()
|
|
568 |
{
|
|
569 |
return iMmModel;
|
|
570 |
}
|
|
571 |
|
|
572 |
// -----------------------------------------------------------------------------
|
|
573 |
//
|
|
574 |
// -----------------------------------------------------------------------------
|
|
575 |
//
|
|
576 |
void CMmListBox::SetMmModel( CMmListBoxModel* aMmModel )
|
|
577 |
{
|
|
578 |
if ( iMmModel != aMmModel )
|
|
579 |
{
|
|
580 |
delete iMmModel;
|
|
581 |
iMmModel = aMmModel;
|
|
582 |
}
|
|
583 |
}
|
|
584 |
|
|
585 |
// -----------------------------------------------------------------------------
|
|
586 |
//
|
|
587 |
// -----------------------------------------------------------------------------
|
|
588 |
//
|
|
589 |
CListBoxView* CMmListBox::MakeViewClassInstanceL()
|
|
590 |
{
|
|
591 |
return CMmListBoxView::NewL();
|
|
592 |
}
|
|
593 |
|
|
594 |
// -----------------------------------------------------------------------------
|
|
595 |
//
|
|
596 |
// -----------------------------------------------------------------------------
|
|
597 |
//
|
|
598 |
TInt CMmListBox::AdjustRectHeightToWholeNumberOfItems(TRect& /*aRect*/) const
|
|
599 |
{
|
|
600 |
return KErrNone;
|
|
601 |
}
|
|
602 |
|
|
603 |
// -----------------------------------------------------------------------------
|
|
604 |
//
|
|
605 |
// -----------------------------------------------------------------------------
|
|
606 |
//
|
|
607 |
void CMmListBox::SetItemDrawerAndViewBgContext (CAknsBasicBackgroundControlContext * aBgContext)
|
|
608 |
{
|
|
609 |
iMmDrawer->SetBgContext (aBgContext);
|
|
610 |
}
|
|
611 |
|
|
612 |
// -----------------------------------------------------------------------------
|
|
613 |
//
|
|
614 |
// -----------------------------------------------------------------------------
|
|
615 |
//
|
|
616 |
TBool CMmListBox::HandleScrollbarVisibilityChangeL()
|
|
617 |
{
|
|
618 |
TBool ret = EFalse;
|
|
619 |
if ( AllItemsFitInViewRect() )
|
|
620 |
{
|
|
621 |
if ( ScrollBarFrame()->VerticalScrollBar()->IsVisible()
|
|
622 |
|| iMmDrawer->TemplateLibrary()->GetScrollbarVisibility() )
|
|
623 |
{
|
|
624 |
ScrollBarFrame()->VerticalScrollBar()->MakeVisible( EFalse );
|
|
625 |
iMmDrawer->SetScrollbarVisibilityL( EFalse );
|
|
626 |
|
|
627 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
628 |
MAknListBoxTfxInternal *trans = CAknListLoader::TfxApiInternal( ItemDrawer()->Gc() );
|
|
629 |
if ( trans )
|
|
630 |
{
|
|
631 |
trans->Remove( MAknListBoxTfxInternal::EListEverything );
|
|
632 |
}
|
|
633 |
#endif
|
|
634 |
|
|
635 |
ret = ETrue; //redraw is needed
|
|
636 |
}
|
|
637 |
}
|
|
638 |
else if ( !ScrollBarFrame()->VerticalScrollBar()->IsVisible()
|
|
639 |
|| !iMmDrawer->TemplateLibrary()->GetScrollbarVisibility() )
|
|
640 |
{
|
|
641 |
ScrollBarFrame()->VerticalScrollBar()->MakeVisible( ETrue );
|
|
642 |
iMmDrawer->SetScrollbarVisibilityL( ETrue );
|
|
643 |
ret = ETrue; //redraw is needed
|
|
644 |
}
|
|
645 |
return ret;
|
|
646 |
}
|
|
647 |
|
|
648 |
|
|
649 |
// -----------------------------------------------------------------------------
|
|
650 |
//
|
|
651 |
// -----------------------------------------------------------------------------
|
|
652 |
//
|
|
653 |
TBool CMmListBox::AllItemsFitInViewRect()
|
|
654 |
{
|
|
655 |
CMmListBoxView* view = static_cast< CMmListBoxView* >(iView);
|
|
656 |
TInt totalHeight = view->GetTotalHeight( view->TopItemIndex(), view->BottomItemIndex());
|
|
657 |
if ( view->TopItemIndex() == 0 && iMmModel->NumberOfItems() <= view->BottomItemIndex() + 1
|
|
658 |
&& totalHeight <= iView->ViewRect().Height() )
|
|
659 |
{
|
|
660 |
return ETrue;
|
|
661 |
}
|
|
662 |
else
|
|
663 |
{
|
|
664 |
return EFalse;
|
|
665 |
}
|
|
666 |
}
|
|
667 |
|
|
668 |
/**
|
|
669 |
* Helper class whose only purpose is to ensure that
|
|
670 |
* ScrollToItem method will be always re-enabled.
|
|
671 |
*/
|
|
672 |
struct TScrollToItemEnabler
|
|
673 |
{
|
|
674 |
CMmListBoxView* iV;
|
|
675 |
void Close() { iV->DisableScrollToItem( EFalse ); }
|
|
676 |
};
|
|
677 |
|
|
678 |
// -----------------------------------------------------------------------------
|
|
679 |
//
|
|
680 |
// -----------------------------------------------------------------------------
|
|
681 |
//
|
|
682 |
void CMmListBox::UpdateScrollBarsL()
|
|
683 |
{
|
|
684 |
TBool redrawNeeded = HandleScrollbarVisibilityChangeL();
|
|
685 |
if (ScrollBarFrame()->VerticalScrollBar()->IsVisible())
|
|
686 |
{
|
|
687 |
CMmListBoxView* view = static_cast<CMmListBoxView*>( View() );
|
|
688 |
view->DisableScrollToItem( ETrue );
|
|
689 |
TScrollToItemEnabler reverter = { view };
|
|
690 |
CleanupClosePushL( reverter );
|
|
691 |
CEikFormattedCellListBoxTypedef::UpdateScrollBarsL();
|
|
692 |
CleanupStack::PopAndDestroy( &reverter );
|
|
693 |
}
|
|
694 |
iMmDrawer->TemplateLibrary()->SetScrollbarWidthL(
|
|
695 |
ScrollBarFrame()->VerticalScrollBar()->Rect().Width() );
|
|
696 |
FixViewForMirroredLayout();
|
|
697 |
if ( redrawNeeded )
|
|
698 |
{
|
|
699 |
DrawNow();
|
|
700 |
}
|
|
701 |
}
|
|
702 |
|
|
703 |
// -----------------------------------------------------------------------------
|
|
704 |
//
|
|
705 |
// -----------------------------------------------------------------------------
|
|
706 |
//
|
|
707 |
void CMmListBox::UpdateScrollBarsNoRedrawL()
|
|
708 |
{
|
|
709 |
HandleScrollbarVisibilityChangeL();
|
|
710 |
if ( ScrollBarFrame()->VerticalScrollBar()->IsVisible() )
|
|
711 |
{
|
|
712 |
CMmListBoxView* view = static_cast<CMmListBoxView*>( View() );
|
|
713 |
view->DisableScrollToItem( ETrue );
|
|
714 |
TScrollToItemEnabler reverter = { view };
|
|
715 |
CleanupClosePushL( reverter );
|
|
716 |
CEikFormattedCellListBoxTypedef::UpdateScrollBarsL();
|
|
717 |
CleanupStack::PopAndDestroy( &reverter );
|
|
718 |
iMmDrawer->TemplateLibrary()->SetScrollbarWidthL(
|
|
719 |
ScrollBarFrame()->VerticalScrollBar()->Rect().Width() );
|
|
720 |
}
|
|
721 |
}
|
|
722 |
|
|
723 |
// -----------------------------------------------------------------------------
|
|
724 |
//
|
|
725 |
// -----------------------------------------------------------------------------
|
|
726 |
//
|
|
727 |
void CMmListBox::SetMarqueeAdapter( CMmMarqueeAdapter* aAdapter )
|
|
728 |
{
|
|
729 |
iMarqueeAdapter = aAdapter;
|
|
730 |
iMarqueeAdapter->SetControl( const_cast< CMmListBox *>(this) );
|
|
731 |
}
|
|
732 |
|
|
733 |
// -----------------------------------------------------------------------------
|
|
734 |
//
|
|
735 |
// -----------------------------------------------------------------------------
|
|
736 |
//
|
|
737 |
void CMmListBox::SetMarqueeDrawing( TBool aIsMarqueeBeingDrawn )
|
|
738 |
{
|
|
739 |
iMmDrawer->SetMarqueeDrawing( aIsMarqueeBeingDrawn );
|
|
740 |
}
|
|
741 |
|
|
742 |
// -----------------------------------------------------------------------------
|
|
743 |
//
|
|
744 |
// -----------------------------------------------------------------------------
|
|
745 |
//
|
|
746 |
void CMmListBox::HandleItemRemovalL()
|
|
747 |
{
|
|
748 |
CEikFormattedCellListBoxTypedef::HandleItemRemovalL();
|
|
749 |
DrawNow();
|
|
750 |
//avkon does not redraw the items for listbox when item is
|
|
751 |
//removed. This needs to be forced here.
|
|
752 |
UpdateScrollBarsL();
|
|
753 |
}
|
|
754 |
|
|
755 |
// -----------------------------------------------------------------------------
|
|
756 |
// If a parent to the supplied control has its Gc set, this function will find
|
|
757 |
// it and return it. (Copied from EIKLBX.CPP, needed by CMmListBox::Draw)
|
|
758 |
// -----------------------------------------------------------------------------
|
|
759 |
//
|
|
760 |
LOCAL_C CWindowGc* ReplaceGcWithCustomGc( const CEikListBox* aListBox )
|
|
761 |
{
|
|
762 |
const CCoeControl* parent = aListBox;
|
|
763 |
CWindowGc* customGc;
|
|
764 |
while(parent)
|
|
765 |
{
|
|
766 |
customGc = parent->GetGc();
|
|
767 |
if ( customGc )
|
|
768 |
{
|
|
769 |
CListItemDrawer* itemDrawer = aListBox->View()->ItemDrawer();
|
|
770 |
CWindowGc* originalGc = itemDrawer->Gc();
|
|
771 |
if ( customGc == originalGc )
|
|
772 |
{
|
|
773 |
return NULL;
|
|
774 |
}
|
|
775 |
else
|
|
776 |
{
|
|
777 |
itemDrawer->SetGc( customGc );
|
|
778 |
return originalGc;
|
|
779 |
}
|
|
780 |
}
|
|
781 |
parent = parent->Parent();
|
|
782 |
}
|
|
783 |
return NULL;
|
|
784 |
}
|
|
785 |
|
|
786 |
// -----------------------------------------------------------------------------
|
|
787 |
//
|
|
788 |
// -----------------------------------------------------------------------------
|
|
789 |
//
|
|
790 |
void CMmListBox::Draw(const TRect& aRect) const
|
|
791 |
{
|
|
792 |
// if (!iResized)
|
|
793 |
// {
|
|
794 |
// return;
|
|
795 |
// }
|
|
796 |
|
|
797 |
CWindowGc* gc = this->iItemDrawer->Gc();
|
|
798 |
|
|
799 |
// If a parent has a custom gc, draw listbox using that gc
|
|
800 |
CWindowGc* replacedGc = ReplaceGcWithCustomGc(
|
|
801 |
static_cast<const CEikListBox*>( this ) );
|
|
802 |
|
|
803 |
if (this->iModel->NumberOfItems() == 0)
|
|
804 |
{
|
|
805 |
this->iView->DrawEmptyList(this->Rect());
|
|
806 |
|
|
807 |
if ( replacedGc )
|
|
808 |
{
|
|
809 |
// Stop using the custom gc
|
|
810 |
this->iItemDrawer->SetGc( replacedGc );
|
|
811 |
}
|
|
812 |
return;
|
|
813 |
}
|
|
814 |
|
|
815 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
816 |
MAknListBoxTfxInternal *transApi = CAknListLoader::TfxApiInternal( gc );
|
|
817 |
|
|
818 |
if ( transApi )
|
|
819 |
{
|
|
820 |
transApi->SetListType( MAknListBoxTfxInternal::EListBoxTypeMainPane );
|
|
821 |
// ViewRect might have been moved to the right to prevent grid items
|
|
822 |
// from overlapping the scrollbar in mirrored layout.
|
|
823 |
// However, we still have to draw scrollbar background, thus the
|
|
824 |
// rectangle object passed to MAknListBoxTfxInternal::BeginRedraw must
|
|
825 |
// be placed at (0, 0) so that it covers the area where scrollbar is
|
|
826 |
// drawn.
|
|
827 |
TRect r( View()->ViewRect().Size() );
|
|
828 |
transApi->BeginRedraw( MAknListBoxTfxInternal::EListView, r );
|
|
829 |
}
|
|
830 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST
|
|
831 |
if (!this->iView->RedrawDisabled())
|
|
832 |
{
|
|
833 |
MAknsControlContext *cc = AknsDrawUtils::ControlContext( this );
|
|
834 |
if (!cc) cc = ItemDrawer()->FormattedCellData()->SkinBackgroundContext();
|
|
835 |
|
|
836 |
if (gc)
|
|
837 |
{
|
|
838 |
TRect clientRect;
|
|
839 |
this->RestoreClientRectFromViewRect(clientRect);
|
|
840 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
841 |
if ( transApi )
|
|
842 |
{
|
|
843 |
transApi->StartDrawing( MAknListBoxTfxInternal::EListView );
|
|
844 |
}
|
|
845 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST
|
|
846 |
gc->SetBrushColor(this->BackColor());
|
|
847 |
AknsDrawUtils::BackgroundBetweenRects( AknsUtils::SkinInstance(), cc, this, *gc, clientRect, this->iView->ViewRect() );
|
|
848 |
RedrawScrollbarBackground();
|
|
849 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
850 |
if ( transApi )
|
|
851 |
{
|
|
852 |
transApi->StopDrawing();
|
|
853 |
}
|
|
854 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST
|
|
855 |
}
|
|
856 |
}
|
|
857 |
if ( this->iModel->NumberOfItems() )
|
|
858 |
{
|
|
859 |
// finally, draw the actual list
|
|
860 |
this->iView->Draw(&aRect);
|
|
861 |
}
|
|
862 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
863 |
if ( transApi )
|
|
864 |
{
|
|
865 |
CMmListBoxView* view = static_cast<CMmListBoxView*>( View() );
|
|
866 |
view->DisableScrollToItem( ETrue );
|
|
867 |
transApi->EndViewRedraw( aRect );
|
|
868 |
view->DisableScrollToItem( EFalse );
|
|
869 |
}
|
|
870 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST
|
|
871 |
if ( replacedGc )
|
|
872 |
{
|
|
873 |
// Stop using the custom gc
|
|
874 |
this->iItemDrawer->SetGc( replacedGc );
|
|
875 |
}
|
|
876 |
}
|
|
877 |
|
|
878 |
// -----------------------------------------------------------------------------
|
|
879 |
//
|
|
880 |
// -----------------------------------------------------------------------------
|
|
881 |
//
|
|
882 |
void CMmListBox::DrawView()
|
|
883 |
{
|
|
884 |
iDisableChildComponentDrawing = ETrue;
|
|
885 |
DrawNow(Rect());
|
|
886 |
iDisableChildComponentDrawing = EFalse;
|
|
887 |
}
|
|
888 |
|
|
889 |
// -----------------------------------------------------------------------------
|
|
890 |
//
|
|
891 |
// -----------------------------------------------------------------------------
|
|
892 |
//
|
|
893 |
void CMmListBox::SetVerticalItemOffset( TInt aOffset )
|
|
894 |
{
|
|
895 |
static_cast<CMmListBoxView*>( View() )->SetItemOffsetInPixels( aOffset );
|
|
896 |
UpdateScrollBarThumbs();
|
|
897 |
}
|
|
898 |
|
|
899 |
// -----------------------------------------------------------------------------
|
|
900 |
//
|
|
901 |
// -----------------------------------------------------------------------------
|
|
902 |
//
|
|
903 |
TInt CMmListBox::VerticalItemOffset() const
|
|
904 |
{
|
|
905 |
return static_cast<CMmListBoxView*>( View() )->VerticalItemOffset();
|
|
906 |
}
|
|
907 |
|
|
908 |
// -----------------------------------------------------------------------------
|
|
909 |
//
|
|
910 |
// -----------------------------------------------------------------------------
|
|
911 |
//
|
|
912 |
void CMmListBox::SetItemHeight( TInt aItemHeight )
|
|
913 |
{
|
|
914 |
if ( aItemHeight != iItemHeight )
|
|
915 |
{
|
|
916 |
iItemHeight = aItemHeight;
|
|
917 |
TRAP_IGNORE( UpdateScrollBarsNoRedrawL() );
|
|
918 |
}
|
|
919 |
}
|
|
920 |
|
|
921 |
// -----------------------------------------------------------------------------
|
|
922 |
//
|
|
923 |
// -----------------------------------------------------------------------------
|
|
924 |
//
|
|
925 |
void CMmListBox::UpdateScrollBarThumbs()
|
|
926 |
{
|
|
927 |
CEikFormattedCellListBox::UpdateScrollBarThumbs();
|
|
928 |
}
|
|
929 |
|
|
930 |
// -----------------------------------------------------------------------------
|
|
931 |
//
|
|
932 |
// -----------------------------------------------------------------------------
|
|
933 |
//
|
|
934 |
TInt CMmListBox::CountComponentControls() const
|
|
935 |
{
|
|
936 |
TInt componentControls(0);
|
|
937 |
if ( !iDisableChildComponentDrawing )
|
|
938 |
{
|
|
939 |
componentControls = CEikFormattedCellListBoxTypedef::CountComponentControls();
|
|
940 |
}
|
|
941 |
return componentControls;
|
|
942 |
}
|
|
943 |
// -----------------------------------------------------------------------------
|
|
944 |
//
|
|
945 |
// -----------------------------------------------------------------------------
|
|
946 |
//
|
|
947 |
void CMmListBox::SetDisableChildComponentDrawing( TBool aDisable )
|
|
948 |
{
|
|
949 |
iDisableChildComponentDrawing = aDisable;
|
|
950 |
}
|
|
951 |
|
|
952 |
// -----------------------------------------------------------------------------
|
|
953 |
//
|
|
954 |
// -----------------------------------------------------------------------------
|
|
955 |
//
|
|
956 |
void CMmListBox::HandleScrollEventL( CEikScrollBar* aScrollBar,
|
|
957 |
TEikScrollEvent aEventType )
|
|
958 |
{
|
|
959 |
if ( aEventType == EEikScrollThumbDragVert && !iScrollbarThumbIsBeingDragged )
|
|
960 |
{
|
|
961 |
iScrollbarThumbIsBeingDragged = ETrue;
|
|
962 |
static_cast<CMmListBoxItemDrawer*>(
|
|
963 |
View()->ItemDrawer() )->EnableCachedDataUse( ETrue );
|
|
964 |
iRedrawTimer->Start( KScrollingRedrawInterval, KScrollingRedrawInterval,
|
|
965 |
TCallBack( &CMmListBox::RedrawTimerCallback, static_cast<TAny*>( this ) ) );
|
|
966 |
}
|
|
967 |
else if ( aEventType == EEikScrollThumbReleaseVert )
|
|
968 |
{
|
|
969 |
iScrollbarThumbIsBeingDragged = EFalse;
|
|
970 |
static_cast<CMmListBoxItemDrawer*>(
|
|
971 |
View()->ItemDrawer() )->EnableCachedDataUse( EFalse );
|
|
972 |
// The view will be redrawn with cache disabled when ProcessScrollEventL
|
|
973 |
// calls the base class's HandleScrollEventL method -- no need to
|
|
974 |
// explicitly redraw the view.
|
|
975 |
iRedrawTimer->Cancel();
|
|
976 |
}
|
|
977 |
|
|
978 |
if ( !iScrollbarThumbIsBeingDragged )
|
|
979 |
{
|
|
980 |
ProcessScrollEventL( aScrollBar, aEventType );
|
|
981 |
}
|
|
982 |
else
|
|
983 |
{
|
|
984 |
__ASSERT_DEBUG( aEventType == EEikScrollThumbDragVert, User::Invariant() );
|
|
985 |
++iSkippedScrollbarEventsCount;
|
|
986 |
}
|
|
987 |
}
|
|
988 |
|
|
989 |
// End of file
|